Is IP address 109.243.0.139 dangerous?

Yes, 109.243.0.139 is considered dangerous with a threat level of 10/10. It has been reported 3 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 109.243.0.139?

IP address 109.243.0.139 is operated by Play (ASN 39603) and is geolocated to PL. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 109.243.0.139?

Yes, blocking 109.243.0.139 is strongly recommended. With a threat level of 10/10 and 3 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 109.243.0.139?

Our threat assessment for 109.243.0.139 has a confidence score of 24%, based on 3 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

109.243.0.139

IPv4 Public

AS39603

Play

3 Reports

Is this your IP address? If the cause is fixed, you can request removal. Free of charge, usually decided within 48 hours. Request delisting

Poland Location

Play ASN 39603

3 Reports

Honeypot Data Source

Extreme Threat

IP 109.243.0.139 classified at threat level 10/10 with 3 documented attacks.

Advanced threat indicators confirmed with 24% certainty.

More threatening than 94% of monitored IPs

Threat Categories

Brute-Force 3

Web App Attack 3

Technical Details

Brute-force attacks systematically attempt password combinations against authentication systems.

Recommended Mitigations

Implement rate limiting, account lockout policies, multi-factor authentication, and fail2ban.

Reputable Network

This IP is hosted on a network (ASN 39603) with generally good reputation. The ISP Play maintains standard security practices.

The malicious activity may represent an isolated compromised system rather than systematic abuse.

Security Recommendations

Proactive blocking essential. Significant operational risk detected.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 10/10 Critical

Critical

Activity Frequency 0/10 Inactive

Confidence Score 17% Low Confidence

Confidence History

31. Aug 2026

24% Current

Stable Trend

Date	Categories	Source	Confidence
31. Aug 2026	Brute-Force Web App Attack	Honeypot	75%
31. Aug 2026	Brute-Force Web App Attack	Honeypot	75%
31. Aug 2026	Brute-Force Web App Attack	Honeypot	75%

Basic Information

IP Address: 109.243.0.139
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: PL
ASN: AS39603
ISP: Play

DNS Information

Reverse DNS: user-109-243-0-139.play-internet.pl
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 3
First Reported: 31 Aug 2026
Last Reported: 31 Aug 2026, 21:05

Comparative Analysis

How this IP compares to others in our threat intelligence database

94 %

Global Threat Ranking

This IP is more threatening than 94% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 863,323 reported IPs worldwide

Threat Level 10/10 avg: 6.3 ++

Total Reports 3 avg: 9 --

Network Comparison

Compared against 224 IPs in ASN 39603

Threat Level 10/10 network avg: 5.1 ++

Total Reports 3 network avg: 1 ++

Geographic Comparison

Compared against 5,721 IPs in PL

Threat Level 10/10 country avg: 5.9 ++

Total Reports 3 country avg: 7 --

Daily report activity over the last 30 days showing patterns and peaks.

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Monday 3 reports

Evolution of threat level over time based on reported categories and frequency.

Initial Threat 6/10

Current Threat 6/10

Distribution of threat categories reported over time.

Top Threat Categories

Brute-Force 3

Web App Attack 3

Activity patterns showing when this IP is most active during the day and week.

Hourly Activity

Peak activity at 20:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

784,288 threat incidents tracked globally • Last 24h: 36,447 Logs

FEED

Top Threat Sources

01

United States US

152,869 19.5%
02

Brazil BR

113,604 14.5%
03

India IN

91,876 11.7%
04

China CN

47,178 6%
05

SC SC

29,280 3.7%
06

Germany DE

19,149 2.4%
07

Pakistan PK

18,816 2.4%
08

Netherlands NL

18,505 2.4%
09

Argentina AR

16,820 2.1%
10

Indonesia ID

15,599 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

IPs from the same Autonomous System (AS) network provider.

20 Related IPs

5.5/10 Avg Threat

22% Avg Confidence

5 High Threat

Elevated risk: Multiple related IPs are flagged

Extreme Threat

Threat Categories

Technical Details

Recommended Mitigations

Reputable Network

Security Recommendations

Basic Information

Geolocation

DNS Information

Statistics

Global Threat Ranking

Top Threat Categories

Hourly Activity

Weekly Activity

FEED

Top Threat Sources

JSON Report

Firewall Rules

iptables / netfilter

UFW (Ubuntu)

Windows Firewall

Cloudflare

nginx

Apache .htaccess

PDF Report

Analyzed high-risk IP addresses